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CIECAM 有 CIECAM97s 或 CIECAM02 等版本,這邊紀錄 CIECAM 架構的輸入與輸出參數。 |
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架構
CIECAM 架構的輸入與輸出參數,如下圖所示:
CIECAM 輸入與輸出架構 |
其中 \(\small \mathsf{L_A}\) 為適應區域(Adapting Field)的絕對亮度(Absolute Luminance),\(\small \mathsf{Y_b}\) 為背景的相對亮度(Relative Luminance of Background),\(\small \mathsf{X_w, Y_w, Z_w}\) 為參考白(Reference White)的三次激值(Tristimulus)。
參考資料
- Colour Appearance, ICC DevCon 2020, Ming Ronnier Luo, 2020
- The CIECAM02 color appearance model, Nathan Moroney, Mark Fairchild, Robert Hunt, and Changjun Li, 2014
- Color Appearance Models, 3rd Edition, Mark D. Fairchild, 2013
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